Qunar Tech Salon

Jul 14, 2016 · Operations

Google’s Monolithic Repository: The Piper System and Its Benefits and Challenges

Google’s engineers explain in an ACM Communications paper how their custom monolithic repository, managed by the Piper version‑control system built on Spanner, supports billions of files and lines of code, enabling trunk‑based development, rapid code visibility, and large‑scale refactoring, while also requiring substantial tooling investment and operational complexity.